Analysis
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max time kernel
108s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:10
Static task
static1
Behavioral task
behavioral1
Sample
Rv Quotation_Request_Sheet.pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Rv Quotation_Request_Sheet.pdf.exe
Resource
win10v2004-20220414-en
General
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Target
Rv Quotation_Request_Sheet.pdf.exe
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Size
654KB
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MD5
18eedad20bcf509f489bfca8831ab3bf
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SHA1
f3369a6864cf4f53376096c2faaebb8bda802126
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SHA256
b43942a6c8b89e2696abecd55fc787b54c53ae4fb89c7784b4c54cc5e99c30ef
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SHA512
10356dbc2ddc5b630142262e681792091eaae102c039eab67fbe707c429b6046a1e3bf12f92ebb2f22a5277a428e0a405b048ebafa735ff2ba909ff412d7299e
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
nnedimma080
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
nnedimma080
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4628-132-0x00000000009E0000-0x0000000000A2C000-memory.dmp family_agenttesla behavioral2/memory/4628-134-0x00000000009E0000-0x0000000000A2C000-memory.dmp family_agenttesla -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.vbs notepad.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rv Quotation_Request_Sheet.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rv Quotation_Request_Sheet.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rv Quotation_Request_Sheet.pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Rv Quotation_Request_Sheet.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exedescription pid process target process PID 1348 set thread context of 4628 1348 Rv Quotation_Request_Sheet.pdf.exe Rv Quotation_Request_Sheet.pdf.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exeRv Quotation_Request_Sheet.pdf.exepid process 1348 Rv Quotation_Request_Sheet.pdf.exe 1348 Rv Quotation_Request_Sheet.pdf.exe 4628 Rv Quotation_Request_Sheet.pdf.exe 4628 Rv Quotation_Request_Sheet.pdf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exepid process 1348 Rv Quotation_Request_Sheet.pdf.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exepid process 4628 Rv Quotation_Request_Sheet.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exedescription pid process Token: SeDebugPrivilege 4628 Rv Quotation_Request_Sheet.pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exedescription pid process target process PID 1348 wrote to memory of 4324 1348 Rv Quotation_Request_Sheet.pdf.exe notepad.exe PID 1348 wrote to memory of 4324 1348 Rv Quotation_Request_Sheet.pdf.exe notepad.exe PID 1348 wrote to memory of 4324 1348 Rv Quotation_Request_Sheet.pdf.exe notepad.exe PID 1348 wrote to memory of 4324 1348 Rv Quotation_Request_Sheet.pdf.exe notepad.exe PID 1348 wrote to memory of 4324 1348 Rv Quotation_Request_Sheet.pdf.exe notepad.exe PID 1348 wrote to memory of 4628 1348 Rv Quotation_Request_Sheet.pdf.exe Rv Quotation_Request_Sheet.pdf.exe PID 1348 wrote to memory of 4628 1348 Rv Quotation_Request_Sheet.pdf.exe Rv Quotation_Request_Sheet.pdf.exe PID 1348 wrote to memory of 4628 1348 Rv Quotation_Request_Sheet.pdf.exe Rv Quotation_Request_Sheet.pdf.exe -
outlook_office_path 1 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rv Quotation_Request_Sheet.pdf.exe -
outlook_win_path 1 IoCs
Processes:
Rv Quotation_Request_Sheet.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Rv Quotation_Request_Sheet.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Rv Quotation_Request_Sheet.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Rv Quotation_Request_Sheet.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
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C:\Users\Admin\AppData\Local\Temp\Rv Quotation_Request_Sheet.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Rv Quotation_Request_Sheet.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1348-133-0x0000000000400000-0x00000000004AB000-memory.dmpFilesize
684KB
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memory/4324-130-0x0000000000000000-mapping.dmp
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memory/4628-131-0x0000000000000000-mapping.dmp
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memory/4628-132-0x00000000009E0000-0x0000000000A2C000-memory.dmpFilesize
304KB
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memory/4628-134-0x00000000009E0000-0x0000000000A2C000-memory.dmpFilesize
304KB
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memory/4628-135-0x0000000074CB0000-0x0000000075261000-memory.dmpFilesize
5.7MB